add more tests

1 files changed, 64 insertions, 0 deletions

diff --git a/src/components/numbered-pagination.test.tsx b/src/components/numbered-pagination.test.tsx
new file mode 100644
index 0000000..d99ab46
--- /dev/null
+++ b/src/components/numbered-pagination.test.tsx
@@ -0,0 +1,64 @@
+import { fireEvent, render, screen } from '@testing-library/react';
+import { describe, expect, test, vi } from 'vitest';
+import { NumberedPagination } from './numbered-pagination';
+
+describe('NumberedPagination', () => {
+  test('renders page controls and current page', () => {
+    render(
+      <NumberedPagination
+        currentPage={5}
+        totalPages={10}
+        paginationItemsToDisplay={5}
+        onPageChange={vi.fn()}
+      />,
+    );
+
+    expect(screen.getByRole('link', { name: 'Go to previous page' })).toBeInTheDocument();
+    expect(screen.getByRole('link', { name: 'Go to next page' })).toBeInTheDocument();
+    expect(screen.getByRole('link', { name: '5' })).toHaveAttribute('aria-current');
+    expect(screen.getAllByText('...')).toHaveLength(2);
+  });
+
+  test('calls onPageChange when selecting a valid page', () => {
+    const onPageChange = vi.fn();
+    render(
+      <NumberedPagination
+        currentPage={2}
+        totalPages={5}
+        paginationItemsToDisplay={5}
+        onPageChange={onPageChange}
+      />,
+    );
+
+    fireEvent.click(screen.getByRole('link', { name: '3' }));
+    expect(onPageChange).toHaveBeenCalledWith(3);
+  });
+
+  test('does not call onPageChange for out-of-range previous/next actions', () => {
+    const onPageChange = vi.fn();
+    const { rerender } = render(
+      <NumberedPagination
+        currentPage={1}
+        totalPages={3}
+        paginationItemsToDisplay={5}
+        onPageChange={onPageChange}
+      />,
+    );
+
+    fireEvent.click(screen.getByRole('link', { name: 'Go to previous page' }));
+    expect(onPageChange).not.toHaveBeenCalled();
+
+    rerender(
+      <NumberedPagination
+        currentPage={3}
+        totalPages={3}
+        paginationItemsToDisplay={5}
+        onPageChange={onPageChange}
+      />,
+    );
+
+    fireEvent.click(screen.getByRole('link', { name: 'Go to next page' }));
+    expect(onPageChange).not.toHaveBeenCalled();
+  });
+});
+